Intake Air Filter Box Lid for Nissan/Infiniti SUVs

This lid seals the air filter housing, keeping dust, sand, and moisture out of your V8’s lungs. A tight cover preserves clean airflow, stable sensor readings, and strong engine performance. It also reduces intake noise and helps the filter sit perfectly in place for maximum efficiency.

How it works ⚙️

The cover locks to the lower air box with clips/bolts and a molded seal. Fresh air passes through the filter, then flows evenly past the MAF sensor to the throttle body. Correct fit prevents leaks and turbulence, which keeps fuel trims and idle smooth.

Why you need it ✅

Over time, lids warp or the tabs crack during service. Any gap allows unfiltered air to bypass the element, accelerating engine wear. A quality replacement restores factory sealing and airflow, protecting the motor and improving response and economy.

What happens if it’s damaged ❗

• Dust ingestion, premature cylinder and MAF wear
• Check Engine Light, lean codes, rough idle
• Whistle noises, reduced power, higher fuel use

Installation tips

Inspect the gasket, replace the filter, seat the element fully, then tighten clips evenly. Clear debris from the air box rim for a perfect seal.

Compatibility

• Qx80
• Qx56